energy retarder

energy retarder

Dictionary of automotive terms. 2015.

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  • retarder — [1] An additive to decrease the evaporation rate of a thinner or reducer in paint; used to improve viscosity in hot weather. [2] An auxiliary brake used on commercial vehicles and coaches (it is a requirement in some European countries). Also see …   Dictionary of automotive terms

  • Retarder (mechanical engineering) — A retarder is a device used to augment or replace some of the functions of primary friction based braking systems of (usually) heavy vehicles.Friction based braking systems are susceptible to fade when used extensively, and this can become… …   Wikipedia

  • Vapor retarder —   A material that retards the movement of water vapor through a building element (walls, ceilings) and prevents insulation and structural wood from becoming damp and metals from corroding. Often applied to insulation batts or separately in the… …   Energy terms

  • Air Retarder/Barrier —   A material or structural element that inhibits air flow into and out of a building s envelope or shell. This is a continuous sheet composed of polyethylene, polypropylene, or extruded polystyrene. The sheet is wrapped around the outside of a… …   Energy terms

  • Vapor Retarder —   A material that retards the movement of water vapor through a building element (walls, ceilings) and prevents insulation and structural wood from becoming damp and metals from corroding. Often applied to insulation batts or separately in the… …   Energy terms

  • Airtight Drywall Approach — (ADA)   A building construction technique used to create a continuous air retarder that uses the drywall, gaskets, and caulking. Gaskets are used rather than caulking to seal the drywall at the top and bottom. Although it is an effective energy… …   Energy terms

  • Polyethylene —   A registered trademark for plastic sheeting material that can be used as a vapor retarder. This plastic is used to make grocery bags. It is a long chain of carbon atoms with 2 hydrogen atoms attached to each carbon atom …   Energy terms

  • engine brake — (Energy Retarder or jake brake) A system that allows for slowing of a vehicle that is independent of the conventional braking systems. A driver would normally down shift to slow his descent of a hill, using engine compression. The engine brake… …   Dictionary of automotive terms

  • Dynamic braking — Norfolk Southern Unit #5348 with a Dynamic brake. The cooling grill for the brake grid resistors is at the top center of the locomotive. Dynamic braking is the use of the electric traction motors of a railroad vehicle as generators when slowing… …   Wikipedia

  • Turboglide — The Turboglide is a Chevrolet three speed automatic transmission that made its debut as an optional transmission on Chevrolet V8 passenger cars for 1957. It consisted of a concurrently geared (as opposed to sequentially) planetary gearbox with a… …   Wikipedia

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